Vehicle-tire.



No. 809,641. PATENTED JAN. 9, 1906.

J. A. SWINEHART.-

VEHICLE TIRE.

APPLICATION TILED APB.2, 1904.

2 SHEETS-SHEET 1.

1 VENTOR.

A TTORNEY.

Nrrnn sragns 'ATENT OFFICE.

VEHICLE-TIRE.

Specification of Letters Patent.

Patented Jan. 9, 1906.

Application filed April 2, 1904. Serial No. 201,248.

To all when it may concern:

Be it known that I, JAMES A. SWINEHART, a citizen of the United States,residing at Akron, in the county of Summit and State of Ohio, haveinvented certain new and useful Improvements in Vehicle-Tires and I dodeclare that the following is a full, clear, and exact description ofthe invention, which will enable others skilled in the art to which itappertains to make and use the same.

My invention relates to vehicle-tires of the kind adapted moreparticularly to heavy vehiclessuch as automobiles, traction-vehicles ofdifferent kinds, and such as require exceptionally strong engagement ofthe rubber tire upon the wheel.

Figure 1 is a perspective view of a section of a tire embodying myinvention in one of its several forms; and Fig. 2 is a bottom view ofFig. 1 with a portion of the rim of the tire broken away to disclose thecross-wires in the base of the tire, as will hereinafter more fullyappear. tion of a tire, showing a modification of Fig.1 and having acement filling centrally between its sides; and Fig. 4 is a perspectiveview of another modification of the invention, showing a section of thetire without the rim and with transverse cement filling in its base.Fig. 5 is a plan view of a section of the tire, showingdiagonally-disposed cross-wires for securing the tire upon the rim.

In each and all of the several illustrations of the invention thusdescribed I employ what is known as a clencher-channel rim A, havinginturned side and outer edges a and a solid-rubber tire B, with arelatively widened base terminating on both sides in ribs, beads, orflanges 7), running continu ously and engaged beneath the edges orflanges a. Cross wires or rods O extend through the base of the rubbertire at suitable intervals and are engaged at their ends within orbeneath the inwardly-overhanging flanges a of the said rim, thuseffectually holding the tire on the rim. In some instances I arrangethese wires or rods O directly across the tire at right angles to itssides and make them of such length and strength that it is impossible todraw them out from beneath flanges a by strain or otherwise in serviceupon the road; but in other instances I ar range the said wiresdiagonally or at more or less angle to the sides of the tire ordirection of travelsay about as seen in Fig. 5. This arrangement of thewires has both advantage and disadvantage.

Fig. 3 is a perspective view of a sec-v Its advantage lies in thefacility it affords for placing the rubber tire upon the wheel, becauseit is possible with wires thus disposed to give such a twist or turntothe tire as will enable one end of the wire to be carried forward farenough to engage it beneath flange a at that side when the opposite endof the wire has been previously engaged under the flange at the otherside- Then as the wire is thus brought beneath the flange at both endsthe rubber tire resumes its proper relation to the rim and the wire isin working position. The same action can be repeated from wire to wire,and a rubber tire carrying wires of this kind can in this way be placedupon a wheel and will render very excellent service; but such anengagement has the disadvantage of possibly being thrown out when strainbecomes severe and a side twist or roll is given to the tire, as mayoccur when a vehicle is running in a car-track and is trying to get outor when it strikes an obstacle in the road which deflects the tire.Otherwise I regard this as a satisfactory construction.

Referring now again to Figs. 1 and 2, it will be observed that tire B isprovided with a canvas or non-stretchable fabric D, which is ce mentedto or upon the base of the tire and about the side portions or ribsthereof and is also cemented in the clencher channel or rim A, so as toeffectually engage the tire with the rim and prevent creeping as well asstretching of the rubber.

The same general features are present in Fig. 3, except that in thisconstruction the canvas or other fabric is omitted and the base of thetire B is provided with a dovetailed continuous channel centrallybetween its sides, which extends entirely around the wheel and is filledwith a suitable cement filling E, through which the wires or rods C arepassed. This filling hardens and likewise overcomes the objection of thecreeping of the tire and the stretching of the rubber and affords a veryfirm support for the cross-Wires, as is obvious. It also serves as awedge laterally for confining the base I) of the the within the flangesA.

In the modification Fig. 4 the tire B is provided with cross-wires O atintervals, as in the other forms of the invention above described, andmidway between these wires transversely in the base of the tire are laidcement fillings F. These may correspond in quality and material to thefiller E in Fig. 3,

and any suitable, durable, and solid filler may be used for thispurpose, it being of course understood that it is of a character whichwill work with the rubber and aid in holding the rubber within the rimor channel A. This also prevents the creeping of the tire upon the rim.The filling referred to is preferably a gutta-percha cement; but it maybe a fusible cement, and hence I do not limit myself in this particular.It may fuse with the rubber or be specially adhered thereto.

Without suitable means to prevent creeping of the tire upon the rim thewires become worn and useless at the point of engagement with the sidesof the rim. Thus a canvas reinforcement or a hard filler or adheringmedium, such as cement, is essential to bind the tire upon the rimagainst side and end movement and to prevent twisting of the tire at itsbase from its seat and to secure the flange and wires in theirengagement with the inturned sides of the rim.

What I claim is- 1. In vehicle-tires, a metallic rim having oppositeincurved edges about its periphery, in combination with a solidcontinuous rubber tire in said rim provided with side ribs engagedbeneath said edges, a binding material interposed between said rim andtire and cemented to both, and cross-wires extending transverselythrough said tire and binding material and engaged at their ends beneathsaid incurved edges, substantially as detheir locking position,substantially as described.

In testimony whereof I sign this specification in the presence of twowitnesses.

JAMES A. SWINEHART.

WVitnesses:

R. B. MOsER, C. A. SELL.

